Annotations: 8BP6

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8003766	3000071	SCOP2B (2022-06-29)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Beta-2-microglobulin,Major histocompatibility complex class I-related gene protein	MHC class I receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity beta-2-microglobulin binding protein binding binding protein-containing complex binding signaling receptor binding T cell receptor binding antigen binding peptide antigen binding peptide binding MHC class I receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity beta-2-microglobulin binding protein binding binding protein-containing complex binding signaling receptor binding T cell receptor binding antigen binding peptide antigen binding peptide binding MHC protein complex binding MHC class II protein complex binding identical protein binding protein homodimerization activity protein dimerization activity structural molecule activity	response to stimulus immune response immune system process biological process involved in interspecies interaction between organisms response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to other organism response to stress innate immune response response to external biotic stimulus antigen processing and presentation response to stimulus immune response immune system process biological process involved in interspecies interaction between organisms response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to other organism response to stress innate immune response response to external biotic stimulus antigen processing and presentation antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway antigen processing and presentation of endogenous peptide antigen antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent antigen processing and presentation of peptide antigen antigen processing and presentation of endogenous antigen antigen processing and presentation of endogenous peptide antigen via MHC class I developmental process multicellular organismal process cellular developmental process hemopoiesis cell activation cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell differentiation in thymus T cell activation cell differentiation anatomical structure development T cell differentiation cellular process leukocyte differentiation antigen processing and presentation of exogenous antigen defense response to Gram-negative bacterium defense response to bacterium response to bacterium antigen processing and presentation of endogenous peptide antigen via MHC class Ib antigen processing and presentation of peptide antigen via MHC class Ib antigen processing and presentation via MHC class Ib adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity regulation of immune effector process T cell mediated immunity positive regulation of leukocyte mediated immunity positive regulation of response to biotic stimulus regulation of cellular process immune response to tumor cell regulation of T cell mediated cytotoxicity directed against tumor cell target regulation of T cell mediated immune response to tumor cell positive regulation of immune response positive regulation of leukocyte mediated cytotoxicity leukocyte mediated immunity regulation of immune system process positive regulation of adaptive immune response positive regulation of immune system process regulation of T cell mediated immunity regulation of biological process positive regulation of immune response to tumor cell regulation of adaptive immune response leukocyte mediated cytotoxicity immune effector process regulation of leukocyte mediated immunity regulation of T cell mediated cytotoxicity regulation of response to stimulus regulation of immune response regulation of cell killing positive regulation of cell killing positive regulation of response to tumor cell regulation of response to biotic stimulus T cell mediated cytotoxicity directed against tumor cell target positive regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of lymphocyte mediated immunity positive regulation of biological process regulation of response to tumor cell positive regulation of response to stimulus T cell mediated immune response to tumor cell regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains positive regulation of immune effector process positive regulation of cellular process T cell mediated cytotoxicity response to tumor cell positive regulation of T cell mediated cytotoxicity biological regulation regulation of leukocyte mediated cytotoxicity regulation of immune response to tumor cell adaptive immune response positive regulation of T cell mediated immune response to tumor cell regulation of lymphocyte mediated immunity positive regulation of T cell mediated immunity positive regulation of T cell mediated cytotoxicity directed against tumor cell target cell killing defense response to Gram-positive bacterium intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis protein refolding organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process protein metabolic process macromolecule metabolic process T cell cytokine production positive regulation of macromolecule biosynthetic process positive regulation of metabolic process cytokine production positive regulation of macromolecule metabolic process positive regulation of T cell cytokine production regulation of cytokine production involved in immune response regulation of cellular metabolic process regulation of gene expression positive regulation of production of molecular mediator of immune response positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process regulation of production of molecular mediator of immune response positive regulation of cytokine production regulation of metabolic process positive regulation of cellular metabolic process regulation of T cell cytokine production positive regulation of biosynthetic process regulation of cytokine production regulation of multicellular organismal process cytokine production involved in immune response production of molecular mediator of immune response regulation of biosynthetic process regulation of macromolecule metabolic process regulation of cellular biosynthetic process positive regulation of gene expression positive regulation of cytokine production involved in immune response positive regulation of cellular biosynthetic process cellular response to stimulus cellular response to inorganic substance cellular response to metal ion response to inorganic substance cellular response to iron ion cellular response to chemical stimulus response to metal ion response to chemical response to iron ion cellular response to iron(III) ion response to iron(III) ion multicellular organismal-level iron ion homeostasis multicellular organismal-level homeostasis multicellular organismal-level chemical homeostasis regulation of neuron projection development regulation of cellular component organization cell projection organization negative regulation of biological process neuron projection development cellular component organization neurogenesis multicellular organism development neuron differentiation negative regulation of cellular process cellular component organization or biogenesis negative regulation of cell projection organization system development plasma membrane bounded cell projection organization negative regulation of cellular component organization regulation of cell projection organization nervous system development negative regulation of neuron projection development generation of neurons neuron development regulation of plasma membrane bounded cell projection organization positive regulation of protein binding regulation of binding positive regulation of binding regulation of protein binding positive regulation of molecular function regulation of molecular function regulation of receptor binding regulation of transferrin receptor binding positive regulation of receptor binding positive regulation of transferrin receptor binding regulation of developmental process regulation of cell differentiation regulation of cell development myeloid cell homeostasis erythrocyte homeostasis regulation of multicellular organismal development regulation of myeloid cell differentiation erythrocyte differentiation regulation of erythrocyte differentiation myeloid cell differentiation regulation of hemopoiesis homeostasis of number of cells antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent antigen processing and presentation of exogenous peptide antigen via MHC class Ib antigen processing and presentation of exogenous peptide antigen regulation of localization import into cell positive regulation of cellular component organization transport vesicle-mediated transport localization positive regulation of endocytosis positive regulation of receptor-mediated endocytosis regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport establishment of localization positive regulation of transport endocytosis receptor-mediated endocytosis peptide antigen assembly with MHC class I protein complex protein-containing complex organization peptide antigen assembly with MHC protein complex MHC class I protein complex assembly cellular component biogenesis cellular component assembly protein-containing complex assembly MHC protein complex assembly regulation of neurogenesis regulation of nervous system development negative regulation of neurogenesis negative regulation of nervous system development negative regulation of cell differentiation negative regulation of developmental process negative regulation of cell development negative regulation of multicellular organismal process positive regulation of ferrous iron binding regulation of ferrous iron binding negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation regulation of epithelial cell proliferation epithelial cell proliferation negative regulation of epithelial cell proliferation iron ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport metal ion transport system process sensory perception of chemical stimulus sensory perception nervous system process sensory perception of smell amyloid fibril formation supramolecular fiber organization protein homotetramerization protein complex oligomerization protein tetramerization protein homooligomerization antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II negative regulation of receptor binding negative regulation of protein binding negative regulation of binding negative regulation of molecular function peptide antigen assembly with MHC class II protein complex MHC class II protein complex assembly cellular response to nicotine response to nicotine regulation of cellular senescence cellular senescence positive regulation of cellular senescence cellular response to stress behavior learning or memory cognition regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion leukocyte cell-cell adhesion positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion positive regulation of leukocyte activation regulation of cell-cell adhesion positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion regulation of T cell activation regulation of leukocyte cell-cell adhesion regulation of lymphocyte activation negative regulation of forebrain neuron differentiation forebrain development regulation of forebrain neuron differentiation central nervous system neuron differentiation head development forebrain generation of neurons animal organ development brain development central nervous system development forebrain neuron differentiation negative regulation of neuron differentiation regulation of neuron differentiation regulation of monoatomic ion transport regulation of iron ion transport regulation of metal ion transport response to organic substance response to molecule of bacterial origin	cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane MHC class I protein complex MHC protein complex protein-containing complex plasma membrane protein complex membrane protein complex membrane-bounded organelle endosome membrane cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane MHC class I protein complex MHC protein complex protein-containing complex plasma membrane protein complex membrane protein complex membrane-bounded organelle endosome membrane intracellular anatomical structure endosome intracellular vesicle late endosome membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane organelle late endosome cytoplasm vesicle organelle membrane organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane Golgi membrane Golgi apparatus early endosome early endosome membrane extracellular region extracellular space extracellular exosome extracellular vesicle extracellular organelle extracellular membrane-bounded organelle plasma membrane signaling receptor complex HFE-transferrin receptor complex receptor complex cytosol phagocytic vesicle phagocytic vesicle membrane endocytic vesicle membrane endocytic vesicle vacuolar membrane lytic vacuole vacuole lytic vacuole membrane lysosomal membrane lysosome membrane-enclosed lumen intracellular organelle lumen endoplasmic reticulum lumen organelle lumen MHC class I peptide loading complex endoplasmic reticulum protein-containing complex vesicle lumen cytoplasmic vesicle lumen secretory granule lumen specific granule lumen secretory granule secretory vesicle specific granule anchoring junction cell junction focal adhesion cell-substrate junction MHC class II protein complex endosome lumen early endosome lumen recycling endosome recycling endosome membrane tertiary granule lumen tertiary granule transport vesicle transport vesicle membrane coated vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane coated vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003597	Immunoglobulin C1-set	Domain
A, B	IPR011161	MHC class I-like antigen recognition-like	Domain
A, B	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A, B	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
A, B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, B	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, B	IPR007110	Immunoglobulin-like domain	Domain
A, B	IPR003597	Immunoglobulin C1-set	Domain
A, B	IPR015707	Beta-2-Microglobulin	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P61769	Creutzfeldt Jacob disease hydrolethalus syndrome lung carcinoma malignant mesothelioma pancreatic intraductal papillary-mucinous neoplasm subependymal giant cell astrocytoma cutaneous lupus erythematosus large cell medulloblastoma malignant ependymoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia glioblastoma lung cancer malignant glioma ovarian cancer Creutzfeldt Jacob disease hydrolethalus syndrome lung carcinoma malignant mesothelioma pancreatic intraductal papillary-mucinous neoplasm subependymal giant cell astrocytoma cutaneous lupus erythematosus large cell medulloblastoma malignant ependymoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia glioblastoma lung cancer malignant glioma ovarian cancer plasma cell myeloma familial visceral amyloidosis hypoproteinemia, hypercatabolic diffuse large B-cell lymphoma MHC class I deficiency esophageal squamous cell carcinoma kidney disease amyloidosis mature T-cell and NK-cell non-Hodgkin lymphoma autoimmune disease variant ABeta2M amyloidosis Hypergammaglobulinemia prostate cancer heart disease interstitial cystitis lung carcinoma ovarian cancer acquired metabolic disease pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pilocytic astrocytoma psoriasis Sjogren syndrome glioblastoma juvenile dermatomyositis lung adenocarcinoma lymphatic system disease pancreatic intraductal papillary-mucinous carcinoma acute kidney failure periodic fever syndrome bone marrow disease Down syndrome rheumatoid arthritis subependymal giant cell astrocytoma lung cancer lymphoplasmacytic lymphoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm cancer schizophrenia ulcerative colitis

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.